Question

Find the H.C.F and L.C.M of 12a²b , 40ab² and 72ab

Answer 1

Step-by-step explanation:

45=3×3×5

80=2×2×2×2×5

36=2×2×3×3

120=2×2×2×3×5

Hence L.C.M =2×2×2×2×2×3×3×5=1440

H.CF = 1

Answer 2

Answer:

45=3x3x5

80=2x2x2x2x5

36=2x2x3x3

120=2x2x2x3x5

.

. . HCF=1

LCM=2x2x2x2x2x3x3x5

=1440

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